CN218740797U - Ash discharging and dust removing system for calcium carbide furnace - Google Patents

Abstract

The utility model belongs to the technical field of dust removal equipment, and specifically discloses a dust removal and dust removal system for calcium carbide furnace, which includes a slag collection tank and a dust remover, and the dust remover includes a dust removal bin, a filter bag and a cleaning unit. Just above the slag tank, the dust removal bin is connected with a dust suction pipe, the free end of the dust suction pipe extends to the opening of the slag collection tank, a connecting rod is connected to the inner wall of the dust removal bin, and an induced draft fan is placed on the top of the dust removal bin, and the air outlet of the induced draft fan There is an exhaust pipe in communication, the exhaust pipe runs through the top of the dust removal bin and is fixed to the filter bag, the filter bag is fixed to the connecting rod, the discharge port of the dust removal bin is connected to a discharge pipe, and there is a collecting pipe directly below the discharge pipe. Dust bin. The utility model collects the purified ash produced in the calcium carbide furnace through the slag collection tank, and at the same time, a dust collector is set to further absorb dust from the slag collection tank, and the filter bag is used to absorb the purified ash, and the filter bag is cleaned in time through the dust removal unit to ensure The dust collector has a good and stable dust removal effect on the purified ash.

Description

A dust removal and dust removal system for calcium carbide furnace

technical field

The utility model relates to the technical field of dust removal equipment, in particular to an ash discharge and dust removal system for calcium carbide furnaces.

Background technique

Purified ash will be produced in the production process of calcium carbide, and the purified ash of calcium carbide furnace has the characteristics of fine particle size, light specific gravity and high temperature. Since the purified ash contains magnesium, phosphorus and other components, it will spontaneously ignite after contacting the air, making it difficult to transport and unable to carry out subsequent treatment. At the same time, the on-site environmental pollution is serious during ash unloading. On the one hand, it causes different degrees of harm to equipment and personnel, and on the other hand, the environmental pollution is relatively serious.

Scattered dust removal devices are installed in many places in the calcium carbide production site, among which the dust removal effect of the filter bag filter is relatively ideal, but because the filter bag that has been vacuumed for a long time is not easy to take out for cleaning at any time, the dust collection effect of the filter bag is slightly reduced, so In the dust removal and dust removal operation of the calcium carbide furnace, it is necessary to ensure the dust removal of the filter bag in the filter bag dust collector at any time, so as to make the effect of the dust collector better and greatly improve the strength of dust removal and dust removal.

Utility model content

The purpose of this utility model is to provide a dust removal and dust removal system for calcium carbide furnace to solve the problem that the dust adsorbed on the filter bag is not easy to clean up in time when the filter bag dust collector removes the dust from the purified ash produced by the calcium carbide furnace.

In order to achieve the above purpose, the basic solution provided by the utility model is: a construction site ash spreading line device, including a slag collection tank and a dust collector, and the dust collector includes a dust removal bin, a filter bag and a cleaning unit for cleaning the filter bag , the calcium carbide furnace is located directly above the slag collection tank, the side wall of the dust removal bin is connected with a dust suction pipe, the free end of the dust suction pipe extends to the opening of the slag collection tank, and the inner wall of the dust removal bin is connected with a Connecting rod, an induced draft fan is placed on the top of the dust removal bin, the air outlet of the induced draft fan is connected with an exhaust pipe, the free end of the exhaust duct runs through the top of the dust removal bin and is fixedly connected with the filter bag, the filter bag The bag is fixedly connected with the connecting rod, the discharge port of the dust removal bin is connected with a discharge pipe, the discharge pipe is connected with a slide valve, and a dust collection bin is arranged directly below the discharge pipe.

The principle and beneficial effects of the utility model are: the utility model is provided with a slag collecting tank, so as to collect the purified ash produced in the calcium carbide furnace, and at the same time, a dust collector is set to further absorb dust from the slag collecting tank, and the effect of the induced draft fan Next, the filter bag is used to further recover the purified ash. After a period of vacuuming operation, the filter bag is cleaned in time through the dust removal unit to ensure a good and stable dust removal effect of the dust collector on the purified ash.

Option 2, this is the preference of the basic solution, the cleaning unit includes a blower, the blower is placed on the dust removal bin, the air outlet of the blower is connected with a ventilation pipe, and the free end of the ventilation pipe is connected with the exhaust pipe, The ventilation pipe is provided with a first valve; the air blower is used to blow the filter bag in the dust removal chamber to clean the dust adsorbed on the filter bag in time, and at the same time, close the first valve when the induced draft fan is turned on to prevent the wind from entering the blower cause damage to it.

Scheme three, this is the optimization of scheme two, the second valve and the third valve are respectively arranged on the air exhaust pipe and the dust suction pipe; when the blower is opened, the second valve and the third valve are closed in time, and the second valve is closed The valve is used to prevent the wind blown from the blower from being poured into the induced draft fan through the exhaust pipe to cause damage to it, and the third valve is closed to prevent the dust blown from the filter bag from being blown into the suction pipe.

Scheme 4, this is the optimization of scheme 3, the slag collection tank is connected with a support rod, the free end of the support rod is fixedly connected with a ring pipe, the ring pipe has several nozzles in a circumferential array, and the ring pipe has a It is connected with a water inlet pipe; water is passed into the ring pipe from the water inlet pipe, and sprayed into the slag collecting tank through the nozzle.

Scheme five, this is the optimization of scheme four, the water outlets of several nozzles point to the bottom of the slag collection tank; when the purified ash is removed from the calcium carbide furnace, a large amount of dust will be generated while falling, which will affect the slag collection tank Concentrated spraying inside to control the amount of dust.

Scheme six, this is the optimization of scheme five, the discharge end of the calcium carbide furnace is connected with a dust collection cover, and the dust collection cover is located directly above the slag collection tank; part of the dust generated in the slag collection tank can pass through the dust collection Cover to prevent it from further spreading and contaminating the workshop.

Description of drawings

Fig. 1 is a schematic structural view of a dust-discharging and dust-removing system for calcium carbide furnaces of the present invention.

Detailed ways

The utility model is described in further detail below by means of specific embodiments:

The reference signs in the drawings of the description include: 1. calcium carbide furnace; 2. slag collection tank; 3. dust removal bin; 4. dust collection bin; 5. dust suction pipe; Exhaust pipe; 9. Second valve; 10. Blower; 11. Ventilation pipe; 12. First valve; 13. Third valve; 14. Insert valve; 15. Blanking pipe; 16. Ring pipe; Nozzle; 18, support rod; 19, dust cover; 20, connecting rod; 21, water inlet pipe.

As shown in Figure 1: a dust removal and dust removal system for calcium carbide furnace, including a slag collection tank 2 and a dust collector, the dust collector includes a dust removal bin 3 and a filter bag 7, and the discharge port of the calcium carbide furnace 1 is located in the slag collection tank 2 Directly above the top of the slag collecting tank 2, there are supporting rods 18 in a circumferential array, and a dust collecting cover 19 and a ring pipe 16 are arranged directly above the opening of the slag collecting tank 2, and the free ends of the ring pipe 16 and the supporting rod 18 are fixedly connected. The ring pipe 16 is connected with a water inlet pipe 21 and several nozzles 17, the mouths of which nozzles 17 face the bottom of the slag collection tank 2, and the dust collection cover 19 is fixedly connected to the discharge end of the calcium carbide furnace 1.

The side wall of the dust removal chamber 3 is connected with a dust suction pipe 5, the free end of the dust suction pipe 5 extends to the ring pipe 16, the dust suction pipe 5 is aligned with the opening of the slag collection tank 2, and the dust suction pipe 5 is provided with a third valve 13. The connecting rod 20 is fixedly connected in the dust removal bin 3, the filter bag 7 is fixedly connected with the connecting rod 20, the induced draft fan 6 and the blower 10 are placed on the top of the dust removal bin 3, and the air inlet of the induced draft fan 6 is connected with an exhaust pipe 8, The free end of the air outlet pipe runs through the top of the dust removal bin 3 and is fixedly connected to the filter bag 7. The air outlet of the blower 10 is connected with a ventilation pipe 11, and the free end of the ventilation pipe 11 is connected with the exhaust pipe 8. The exhaust pipe 8 and the ventilation pipe 11 is provided with the second valve 9 and the first valve 12 respectively. The discharge port of the dust removal bin 3 is connected with a discharge pipe 15 , the discharge pipe 15 is fixedly connected with a slide valve 14 , and the dust collection bin 4 is arranged directly below the discharge pipe 15 .

The implementation mode of this embodiment is: when the dust-discharging and dust-removing equipment is in use, the purified ash generated during the operation of the calcium carbide furnace 1 falls into the slag collecting tank 2 from the discharge port, and is passed through the ring pipe 16 and sprayed by the nozzle 17. Spray to the inside of the slag collection tank 2 to prevent dust, start the induced draft fan 6 and open the third valve 13 and the second valve 9, close the first valve 12, and the unremoved purified ash and dust in the slag collection tank 2 will be sucked The dust pipe 5 sucks in the dust removal bin 3 , a part of the dust is adsorbed on the filter bag 7 , and the other part of the dust falls into the discharge pipe 15 below the dust removal bin 3 and falls into the dust collection bin 4 . After a period of dust removal, it is necessary to clean up the dust on the filter bag 7. At this time, the third valve 13 and the second valve 9 are closed, the first valve 12 is opened, the blower 10 is started, and the blower 10 is used to blow air in the ventilation pipe 11. The wind of the vent pipe 11 blows off the dust on the filter bag 7 through the exhaust pipe 8 again, and the dust blown off from the filter bag 7 falls in the dust collection bin 4 through the feed pipe 15 .

What is described above is only the embodiment of the utility model, and common knowledge such as the specific structure and characteristic known in the scheme is not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the utility model, some deformations and improvements can also be made, and these should also be regarded as the protection scope of the utility model, and these will not affect the utility model. Effects of novel implementations and utility of patents. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.

Claims (6)

1. The utility model provides an unload grey dust pelletizing system for carbide furnace, a serial communication port, including collection slag chute (2) and dust remover, the dust remover includes dust removal storehouse (3), filter bag (7) and is used for clearing up the clearance unit of filter bag (7), and the end of slagging tap of carbide furnace (1) is located collection slag chute (2) directly over, the lateral wall intercommunication in dust removal storehouse (3) has dust absorption pipe (5), the free end of dust absorption pipe (5) extends to the opening part in collection slag chute (2), dust removal storehouse (3) inner wall is connected with connecting rod (20), draught fan (6) have been placed at the top in dust removal storehouse (3), the air outlet intercommunication of draught fan (6) has exhaust column (8), the free end of exhaust column (8) runs through the top in dust removal storehouse (3) and with filter bag (7) rigid coupling, connecting rod (7) and connecting rod (20) rigid coupling, the discharge gate intercommunication in dust removal storehouse (3) has blanking pipe (15), be connected with blanking pipe (15) on blanking pipe (15), the blanking pipe (14) be equipped with blanking pipe (4) under the dust collection bin (4).

2. The ash discharging and dust removing system for the calcium carbide furnace as claimed in claim 1, wherein the cleaning unit comprises an air blower (10), the air blower (10) is placed on the dust removing bin (3), an air outlet of the air blower (10) is communicated with a vent pipe (11), a free end of the vent pipe (11) is communicated with an exhaust pipe (8), and a first valve (12) is arranged on the vent pipe (11).

3. The ash discharging and dust removing system for calcium carbide furnaces as claimed in claim 2, wherein a second valve (9) and a third valve (13) are respectively arranged on the exhaust pipe (8) and the dust suction pipe (5).

4. The ash discharging and dust removing system for the calcium carbide furnace as claimed in claim 3, wherein the slag collecting groove (2) is connected with a support rod (18), the free end of the support rod (18) is fixedly connected with a ring pipe (16), a plurality of nozzles (17) are circumferentially arrayed on the ring pipe (16), and a water inlet pipe (21) is communicated with the ring pipe (16).

5. The ash discharging and dust removing system for the calcium carbide furnace as claimed in claim 4, wherein the water outlets of the plurality of nozzles (17) are directed to the bottom of the slag collecting tank (2).

6. The ash discharging and dust removing system for the calcium carbide furnace as claimed in claim 5, wherein a dust collection cover (19) is connected to the discharge end of the calcium carbide furnace (1), and the dust collection cover (19) is positioned right above the slag collection groove (2).

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